Like Jerry and Colin said, I think it's just an sampling problem (or lack of antialiasing) on a very fine pattern. Most likely due to the Viewer doing non-filtered transforms.
You probably know about moire patterns already, but here's some info just in case: http://en.wikipedia.org/wiki/Moir%C3%A9_pattern You can set the viewer 1:1 and replicate the issue by scaling down the image using different filters. Impulse (no filtering), shows the same issue. set cut_paste_input [stack 0] version 6.2 v4 push $cut_paste_input Grid { number {128 97.25} name Grid2 selected true xpos 27769 ypos -3783 } set N15c997f0 [stack 0] Reformat { type scale scale 0.5 filter Impulse name Reformat4 label Impulse selected true xpos 27724 ypos -3693 } push $N15c997f0 Reformat { type scale scale 0.5 name Reformat3 label Cubic selected true xpos 27823 ypos -3692 } On Tue, Oct 11, 2011 at 8:02 AM, Colin Alway <colin.al...@gmail.com> wrote: > I think it's to do with the way nuke scales images down to display them in > the viewer. > If you apply it to a small image format, and view the image at 1:1 do you > still see the darkening? > > > On 11 October 2011 14:20, Ron Ganbar <ron...@gmail.com> wrote: > >> Hi all, >> paste this grid node into Nuke and have a look at it. On >> two separate computers, one with Nuke6.3v1 and the other 6.3v2 the image >> gets darker towards the top right. How odd. Can anybody else confirm or >> offer a reason for this? >> >> set cut_paste_input [stack 0] >> version 6.3 v1 >> push $cut_paste_input >> Grid { >> number {128 97.25} >> name Grid1 >> selected true >> xpos -40 >> ypos -77 >> } >> >> >> Ron Ganbar >> email: ron...@gmail.com >> tel: +44 (0)7968 007 309 [UK] >> +972 (0)54 255 9765 [Israel] >> url: http://ronganbar.wordpress.com/ >> >> >> _______________________________________________ >> Nuke-users mailing list >> Nuke-users@support.thefoundry.co.uk, http://forums.thefoundry.co.uk/ >> http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users >> > > > > -- > colin alway > > _______________________________________________ > Nuke-users mailing list > Nuke-users@support.thefoundry.co.uk, http://forums.thefoundry.co.uk/ > http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users >
_______________________________________________ Nuke-users mailing list Nuke-users@support.thefoundry.co.uk, http://forums.thefoundry.co.uk/ http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users
